A352740 - cp's OEIS frontend

A352740 Irregular table T(n, k) read by rows; the n-th row contains, in ascending order, the numbers k < n such that for any base b >= 2, the sum of digits of n and k in base b are different.

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	3
7	0
8	4
9	0
10	0
11	4
12	6
13	0
14	6
15	7
16	0
17	7
18	8
19	0
20	8
21	0
22	6
23	8
24	9
25	10
26	0
27	11
28	0
29	12
30	0
31	10
32	12
33	0
34	8
35	12
36	14
37	0
38	13
39	15
40	0
41	14
42	15
43	16
44	0
45	15
46	16
47	0
48	16
49	17
50	18
51	0
52	19
53	0
54	20
55	0
56	0
57	12
58	16
59	18
60	20
61	21
62	22
63	0
64	23
65	0
66	24
67	0
68	18
69	24
70	0
71	14
72	21
73	24
74	25
75	26

[0, 0, 0, 2, 0, 3, 0, 4, 0, 0, 4, 6, 0, 6, 7, 0, 7, 8, 0, 8, 0, 6, 8, 9, 10, 0, 11, 0, 12, 0, 10, 12, 0, 8, 12, 14, 0, 13, 15, 0, 14, 15, 16, 0, 15, 16, 0, 16, 17, 18, 0, 19, 0, 20, 0, 0, 12, 16, 18, 20, 21, 22, 0, 23, 0, 24, 0, 18, 24, 0, 14, 21, 24, 25, 26]

cp's OEIS Frontend

A352740 Irregular table T(n, k) read by rows; the n-th row contains, in ascending order, the numbers k < n such that for any base b >= 2, the sum of digits of n and k in base b are different.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	3
7	0
8	4
9	0
10	0
11	4
12	6
13	0
14	6
15	7
16	0
17	7
18	8
19	0
20	8
21	0
22	6
23	8
24	9
25	10
26	0
27	11
28	0
29	12
30	0
31	10
32	12
33	0
34	8
35	12
36	14
37	0
38	13
39	15
40	0
41	14
42	15
43	16
44	0
45	15
46	16
47	0
48	16
49	17
50	18
51	0
52	19
53	0
54	20
55	0
56	0
57	12
58	16
59	18
60	20
61	21
62	22
63	0
64	23
65	0
66	24
67	0
68	18
69	24
70	0
71	14
72	21
73	24
74	25
75	26

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	3
7	0
8	4
9	0
10	0
11	4
12	6
13	0
14	6
15	7
16	0
17	7
18	8
19	0
20	8
21	0
22	6
23	8
24	9
25	10
26	0
27	11
28	0
29	12
30	0
31	10
32	12
33	0
34	8
35	12
36	14
37	0
38	13
39	15
40	0
41	14
42	15
43	16
44	0
45	15
46	16
47	0
48	16
49	17
50	18
51	0
52	19
53	0
54	20
55	0
56	0
57	12
58	16
59	18
60	20
61	21
62	22
63	0
64	23
65	0
66	24
67	0
68	18
69	24
70	0
71	14
72	21
73	24
74	25
75	26

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	3
7	0
8	4
9	0
10	0
11	4
12	6
13	0
14	6
15	7
16	0
17	7
18	8
19	0
20	8
21	0
22	6
23	8
24	9
25	10
26	0
27	11
28	0
29	12
30	0
31	10
32	12
33	0
34	8
35	12
36	14
37	0
38	13
39	15
40	0
41	14
42	15
43	16
44	0
45	15
46	16
47	0
48	16
49	17
50	18
51	0
52	19
53	0
54	20
55	0
56	0
57	12
58	16
59	18
60	20
61	21
62	22
63	0
64	23
65	0
66	24
67	0
68	18
69	24
70	0
71	14
72	21
73	24
74	25
75	26